Wireless device and method using frequency hopping and sweep...

Details Wireless device and method using frequency hopping and sweep... Wireless device and method using frequency hopping and sweep...

2006-02-07

2006-02-07

Kincaid, Lester G. (Department: 2687)

Telecommunications

Radiotelephone system

Zoned or cellular telephone system

C455S041200, C375S132000, C375S133000

Reexamination Certificate

active

06996399

ABSTRACT:
Device and method in a frequency hopping spread spectrum wireless communication system allow reception without the need to lock in synchronous steps with the frequency hopping channels. The transmitter will operate in the frequency hopping mode while the receiver operate in a frequency sweeping mode. The receiver has an IF pass band that effectively sweeps rapidly across the frequency hopping channels to intercept the active channel in the transmission spectrum. A less expensive radio could be manufactured while eliminating the complex receiver synchronization in the conventional frequency hopping scheme.

REFERENCES:
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patent: 5377222 (1994-12-01), Sanderford, Jr.
patent: 6032031 (2000-02-01), Takaki
patent: 6167246 (2000-12-01), Elder et al.
patent: 2002/0068541 (2002-06-01), Helio et al.
patent: 1 111 805 (2001-06-01), None
Micrel, Inc., MICRF003/033 QwikRadio™ 900 MHz UHF Receiver Preliminary Information, Oct. 1999, pp. 1-16.

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